package com.g5kj.coupon.ssm.interceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

/*
 * 登陆拦截
 */
public class LoginInterceptor implements HandlerInterceptor{

	@Override
	public void afterCompletion(HttpServletRequest request,
			HttpServletResponse response, Object arg2, Exception arg3)
			throws Exception {
		
	}

	@Override
	public void postHandle(HttpServletRequest request, HttpServletResponse response,
			Object arg2, ModelAndView arg3) throws Exception {
		
	}

	@Override
	public boolean preHandle(HttpServletRequest request, HttpServletResponse response,
			Object handler) throws Exception {
		String url = request.getRequestURI();
		if(url.indexOf("admin/login")>=0){
			return true;
		}
		
		HttpSession session = request.getSession();
		String admin = (String) session.getAttribute("admin");
		System.out.println(admin);
		if(admin!=null){
			return true;
		}
		request.getRequestDispatcher("admin/login").forward(request, response);
		return false;
	}

}
